I have the same problem with my Archos 2ob Vision. When I connect to my laptop and use windows media player to play the files from the Archos it is fine but when the Archos plays the files it seems to drop the first second of the piece. It seems as if the hardware can't process the file fast enough to play the first second of the piece. As an mp3 it should play the complete file from start to finish. It doesn't, so in my book it's not fit for purpose. Not being fit for purpose is a sufficient case for getting a refund, isn't it?